how did louis tomlinson's sister pass away

Louis Tomlinson's sister, Félicité Tomlinson, passed away from an accidental drug overdose. She died as a result of a "perfect storm" of lethal drugs, including cocaine, Xanax, and Oxycontin, which proved fatal. The 18-year-old was found unresponsive in her London apartment in March 2019. The coroner concluded there was no indication that her death was a deliberate attempt to end her life, describing it as misadventure and drug toxicity. Félicité had a history of recreational drug use, which increased following their mother's death in 2016, and despite attempts to get clean, she relapsed before her passing.